#include "head.h"

int main()
{
    printf("increment(10)=%d\nnegate(10)=%d\nincrement(0)=%d\nnegate(0)=%d\nincrement(-10)=%d\nnegate(-10)=%d\n",increment(10),negate(10),increment(0),negate(0),increment(-10),negate(-10));
    
    return 0;
}
